(WJET/WFXP) – Fall weather continues, turning frosty early Monday morning.

The National Weather Service issued a freeze warning affecting Crawford and Southern Erie counties from midnight on Sunday to 9 a.m. Monday morning.

The warning includes cities of Warren, Jefferson, Meadville, Edinboro, Union City, and Titusville.

Temperatures expected to be as low as 22.

Frost and freeze conditions could harm sensitive crops and unprotected outdoor plumbing.

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